FR814750A - Improvement in the construction of gas masks - Google Patents

Improvement in the construction of gas masks

Info

Publication number
FR814750A
FR814750A FR814750DA FR814750A FR 814750 A FR814750 A FR 814750A FR 814750D A FR814750D A FR 814750DA FR 814750 A FR814750 A FR 814750A
Authority
FR
France
Prior art keywords
improvement
construction
gas masks
masks
gas
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Cesare Beltrami
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR814750A publication Critical patent/FR814750A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/006—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort with pumps for forced ventilation

Landscapes

  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
FR814750D 1935-12-12 1936-12-10 Improvement in the construction of gas masks Expired FR814750A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU814750X 1935-12-12

Publications (1)

Publication Number Publication Date
FR814750A true FR814750A (en) 1937-06-28

Family

ID=19733741

Family Applications (1)

Application Number Title Priority Date Filing Date
FR814750D Expired FR814750A (en) 1935-12-12 1936-12-10 Improvement in the construction of gas masks

Country Status (1)

Country Link
FR (1) FR814750A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0241188A1 (en) * 1986-04-03 1987-10-14 Racal Safety Limited Improvements in and relating to breathing apparatus
US7380551B2 (en) 2003-03-21 2008-06-03 Tvi Corporation Breathing apparatus
US7647927B2 (en) 2003-08-22 2010-01-19 Wilcox Industries Corp. Self-contained breathing system

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0241188A1 (en) * 1986-04-03 1987-10-14 Racal Safety Limited Improvements in and relating to breathing apparatus
US7380551B2 (en) 2003-03-21 2008-06-03 Tvi Corporation Breathing apparatus
US7543584B2 (en) 2003-03-21 2009-06-09 Interspiro, Inc. Powered air purifying respirator system and breathing apparatus
US7647927B2 (en) 2003-08-22 2010-01-19 Wilcox Industries Corp. Self-contained breathing system
US8113198B2 (en) 2003-08-22 2012-02-14 Wilcox Industries Corp. Self-contained breathing system
US8950401B2 (en) 2003-08-22 2015-02-10 Wilcox Industries Corp. Self-contained breathing system
US10130831B2 (en) 2003-08-22 2018-11-20 Patriot Life Support, Inc. Self-contained breathing system

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